package com.spring.annotation.demo.annotaions.weave;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;

import java.util.Map;
@Component
public class SpringContextUtils implements ApplicationContextAware {
  private static ApplicationContext applicationContext;

  @Override
  public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
    SpringContextUtils.applicationContext=applicationContext;

  }
  public static ApplicationContext getApplicationContext() {
    return applicationContext;
  }
  @SuppressWarnings("unchecked")
  public static <T> T getBean(Class name) throws BeansException {
    if (applicationContext == null){
      return null;
    }
    return (T)applicationContext.getBean(name);
  }
}
